/* * Licensed to the Apache Software Foundation (ASF) under one or more contributor license * agreements. See the NOTICE file distributed with this work for additional information regarding * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the License. You may obtain a * copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ package org.apache.geode.examples; import static org.apache.geode.test.dunit.VM.getVM; import java.io.Serializable; import java.util.concurrent.Future; import java.util.concurrent.atomic.AtomicBoolean; import org.junit.Rule; import org.junit.Test; import org.apache.geode.test.dunit.rules.DistributedExecutorServiceRule; import org.apache.geode.test.dunit.rules.DistributedRule; public class ExecutorErrorHandlingDistributedTest implements Serializable { private final AtomicBoolean THROW = new AtomicBoolean(); @Rule public DistributedRule distributedRule = new DistributedRule(); @Rule public DistributedExecutorServiceRule executorServiceRule = new DistributedExecutorServiceRule(); @Test public void asyncActionInOtherVmThrows() { getVM(0).invoke(() -> { THROW.set(true); Future result = executorServiceRule.submit(() -> dangerous()); // ... result.get(); // DON'T FORGET TO WAIT ON EVERY FUTURE }); } private boolean dangerous() { if (THROW.get()) { throw new RuntimeException("Danger Will Robinson!"); } return true; } }